Radial shaft seals

Seals Product Introduction

**Introduction to SKF Radial Shaft Seals: Engineered for Performance and Reliability**

In demanding industrial environments, effective sealing solutions are critical to protecting rotating shafts from contamination, retaining lubricants, and ensuring long-term equipment reliability. SKF radial shaft seals are precision-engineered components designed to meet these challenges, offering superior performance across a wide range of applications—from heavy-duty industrial machinery to high-speed automotive systems and precision equipment.

### **Technical Features & Design Excellence**
SKF radial shaft seals combine advanced materials, innovative design, and rigorous manufacturing standards to deliver exceptional sealing efficiency. Key features include:

– **Robust Material Options**: SKF seals utilize high-quality elastomers (such as NBR, FKM, and ACM) and reinforced polymers, ensuring compatibility with diverse operating conditions, including extreme temperatures, aggressive chemicals, and high-pressure environments.
– **Optimized Lip Geometry**: The sealing lip is precision-designed to maintain consistent contact with the shaft, minimizing friction while effectively excluding contaminants like dust, water, and abrasive particles.
– **Enhanced Sealing Technologies**: Many SKF seals incorporate auxiliary lips, spring-loaded designs, or hydrodynamic wave patterns to improve sealing performance under dynamic conditions, reducing wear and extending service life.
– **Integrated Metal Casings**: For added durability, SKF seals often feature robust metal casings that provide structural stability and secure fitment in housings, even under vibration or misalignment.

### **Performance Advantages**
SKF radial shaft seals are trusted in critical applications due to their ability to:

– **Extend Bearing & Component Life**: By preventing lubricant leakage and blocking contaminants, SKF seals reduce wear on shafts and bearings, lowering maintenance costs and downtime.
– **Operate in Harsh Conditions**: Whether in high-speed motors, off-road vehicles, or food processing equipment, SKF seals maintain integrity under thermal cycling, chemical exposure, and mechanical stress.
– **Improve Energy Efficiency**: Low-friction designs minimize power loss, contributing to energy savings in pumps, compressors, and electric motors.

### **Typical Applications**
SKF radial shaft seals are widely used in industries where reliability is non-negotiable:

– **Industrial Machinery**: Pumps, gearboxes, conveyors, and electric motors benefit from SKF seals’ ability to handle heavy loads and harsh environments.
– **Automotive Systems**: From wheel hubs to transmission shafts, SKF seals ensure leak-free performance in passenger vehicles, commercial trucks, and off-highway equipment.
– **Precision Equipment**: Medical devices, robotics, and aerospace applications rely on SKF’s high-precision seals for smooth, contamination-free operation.

By integrating cutting-edge materials, intelligent design, and rigorous testing, SKF radial shaft seals set the benchmark for sealing solutions—delivering unmatched durability, efficiency, and protection across industries. Whether for OEMs or maintenance applications, SKF seals help engineers and operators achieve peak performance while reducing total cost of ownership.

For more details on selecting the right seal for your application, explore SKF’s comprehensive portfolio of radial shaft sealing solutions.

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Designation Shaft diameter Housing bore diameter Housing groove width Seal width Limiting speed Sealing lip material Mass
24881
63.5 mm
81.001 mm
11.13 mm
2640.0 r/min
Nitrile rubber (NBR)
0.0566 kg
24916
63.5 mm
82.58 mm
11.13 mm
8400.0 r/min
Fluoro rubber (FKM)
0.0612 kg
24936
63.5 mm
85.62 mm
11.13 mm
8400.0 r/min
Fluoro rubber (FKM)
0.0821 kg
24949
63.5 mm
87.071 mm
9.53 mm
4920.0 r/min
Polyacrylate elastomer (ACM)
0.0435 kg
24951
63.5 mm
87.071 mm
9.53 mm
2640.0 r/min
Nitrile rubber (NBR)
0.044 kg
24988
63.5 mm
88.9 mm
11.13 mm
2640.0 r/min
Nitrile rubber (NBR)
0.0771 kg
24X35X7 HMS5 V
24.0 mm
35.0 mm
7.0 mm
13500.0 r/min
Fluoro rubber (FKM)
0.0077 kg
24X35X7 HMSA10 RG
24.0 mm
35.0 mm
7.0 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0068 kg
24X37X7 HMSA10 RG
24.0 mm
37.0 mm
7.0 mm
3840.0 r/min
Nitrile rubber (NBR)
0.0077 kg
24X38X7 CRW1 V
24.0 mm
38.0 mm
7.0 mm
13500.0 r/min
Fluoro rubber (FKM)
0.009 kg
24X50X10 HMS5 V
24.0 mm
50.0 mm
10.0 mm
13496.0 r/min
Fluoro rubber (FKM)
0.023 kg
24X50X10 HMSA10 RG
24.0 mm
50.0 mm
10.0 mm
3840.0 r/min
Nitrile rubber (NBR)
0.019 kg
24X50X10 HMSA10 V
24.0 mm
50.0 mm
10.0 mm
13496.0 r/min
Fluoro rubber (FKM)
0.023 kg
2500-2700-40 HDS2 D
635.0 mm
685.8 mm
15.88 mm
451.0 r/min
Carboxylated nitrile rubber (XNBR)
2.0 kg
25037
63.5 mm
90.02 mm
11.0 mm
8400.0 r/min
Fluoro rubber (FKM)
0.0793 kg
25074
63.5 mm
92.024 mm
9.53 mm
2640.0 r/min
Nitrile rubber (NBR)
0.064 kg
25075
63.5 mm
92.024 mm
9.53 mm
2640.0 r/min
Nitrile rubber (NBR)
0.0522 kg
240X270X15 HS8 R
240.0 mm
270.0 mm
15.0 mm
796.0 r/min
Nitrile rubber (NBR)
0.215 kg
240X270X15 HS8 V
240.0 mm
270.0 mm
15.0 mm
796.0 r/min
Fluoro rubber (FKM)
0.323 kg
240X270X16 HDS1 R
240.0 mm
270.0 mm
16.0 mm
1194.0 r/min
Nitrile rubber (NBR)
0.45 kg
240X270X18 HDS1 V
240.0 mm
270.0 mm
18.0 mm
1989.0 r/min
Fluoro rubber (FKM)
0.515 kg
240X275X16 HDS2 D
240.0 mm
275.0 mm
16.0 mm
1194.0 r/min
Carboxylated nitrile rubber (XNBR)
1.59 kg
240X275X18 HSS8 H
240.0 mm
275.0 mm
18.0 mm
796.0 r/min
Hydrogenated nitrile rubber (HNBR)
0.298 kg
240X280X14 HS8 V
240.0 mm
280.0 mm
14.0 mm
796.0 r/min
Fluoro rubber (FKM)
0.268 kg